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"Ramularia rubella" is a plant pathogen in Ascomycota that infects "Rumex" species. Infection produces reddish spots on leaves. The red color is caused by the production of rubellin, a photodynamic anthraquinone-derived phytotoxin.

Similar species: Capnodiales
Species identified by Christine Young
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By Christine Young

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Uploaded Feb 7, 2022. Captured Jun 11, 2021 11:36 in 281 Main St S, Woodbury, CT 06798, USA.
  • Canon EOS 90D
  • f/13.0
  • 1/64s
  • ISO1600
  • 100mm